[Q]: The putrid odor filled the room.

effect: 
[A]: I clamped my hand over my nose.
[Q]: The rocket flew up into the sky.

cause: 
[A]: The girl launched it.
[Q]: The homeowners disliked their nosy neighbors.

effect: 
[A]: They built a fence around their property.
[Q]: The cat purred.

cause: 
[A]:
I petted it.